https://devzone.nordicsemi.com/f/nordic-q-a/46236/nrf91-at-client-sampleHi , Using the at client sample, i get this print : ***** Booting Zephyr OS v1.13.99-ncs1-5904-g71a875c18e2d ***** The AT host sample started but I cant send any command (no response). the weird thing is, that I can send commands via asseten-USTelligent Community 13Mon, 15 Apr 2019 21:56:01 GMThttps://devzone.nordicsemi.com/thread/182207?ContentTypeID=1Mon, 15 Apr 2019 21:56:01 GMT137ad170-7792-4731-bb38-c0d22fbe4515:b9ea0592-8443-4e91-9778-cac6e6c9aeabJohn<p><span>I get booting Booting Zephyr OS v1.13.99-ncs1-5783-g3757f8cfe6ff</span></p> <p><span>If you erased the flash try get the latest version of the SDK and find the SPM solution and load that onto the secure portion of the board first and then load the application onto the non secure part.</span></p> <p><span></span></p> <p><span>Then have another go.</span></p><div style="clear:both;"></div>